VLC Media Playeris now available on the iPhone as a universal app, and firmly puts itself in to our must-have apps list for this week. Allowing you to play an impressively wide range of video codecs on your device, it’s very simple to use and it’s free!

Another must-have app this week is Task Pad. Available for both the iPhone and iPad, Task Pad is a powerful organizer and to-do list that syncs with your Mac or PC, helping you to remain productive and on top of your tasks.

Amazon’sWindowshopalso makes our list this week – a new way to shop Amazon’s millions of items – with a simple and intuitive interface that makes online shopping a pleasure on the iPad.

Now a universal app, VLCis an open-sourced media player that plays pretty much every video file format under the sun. It’s simple to use, and means you don’t need to convert your videos before you watch them on your iOS device.

Task Padis a smart organizer with some powerful features that will help you stay productive. It lets you create tasks quickly and easily, has push alarms to remind you of your things to do, and syncs your tasks with your Mac and PC via Toodledo. It boasts a clean and simple design and even allows you to delegate tasks to others when you’ve got too much on your plate.

Amazon’s latest app, called Windowshop, is a great new way to browse the millions of products available through Amazon online. Discover products within categories, search for the items you’re looking for, get recommendations based on the other products you’ve viewed, and check out the newest released & what’s popular with other shoppers. Zoom in to high-res images of the products you want to see, and share them with your friends over Twitter and Facebook. With an elegant, original user interface, Windowshop is one of the most enjoyable ways to shop on your iPad!

Find, research and book the perfect hotel or resort with Hotels HDfor the iPad, powered by Hotels.com. Get access to comprehensive property details, pictures, and details on nearby attractions before you book your break, and read the latest reviews provided by TripAdvisor for that added peace of mind. Sort hotels alphabetically, by price, or by distance to find nearby hotels. Book your hotel securely from directly within the app, and the ‘Low Price Guarantee’ will ensure you get the best deal. There’s also 24/7 customer service!

Perfect for the Halloween weekend, iMut8rlets you transfer your photos in to terrifying portraits with 7 character options to choose from, including zombies, vampires, werewolves, and witches. Grab photos from your camera roll or straight from your camera and mutate them in to something satisfyingly scary, then share then upload them to Facebook. An endless combination of haunting, realistic effects, guaranteed to spook out your friends.